Attempt to stop windows flappy CI tests

Author: warmwaffles

.github/workflows/ci.yml

@@ -62,8 +62,12 @@ jobs:
         with:
           otp-version: ${{ matrix.otp }}
           elixir-version: ${{ matrix.elixir }}
-      - uses: egor-tensin/vs-shell@v2
-        if: runner.os == 'Windows'
+
+      - uses: ilammy/msvc-dev-cmd@v1
+        if: matrix.os == 'windows-2019'
+        with:
+          arch: x64
+
       - uses: actions/cache@v3
         with:
           path: deps